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Assertion and reason type questions

Posted by Attish Auti 4 years ago

CBSE > Class 10 > Mathematics

1 answers

Nainaa Lodhi 4 years ago

Best way is to use elimination method....start eliminating options

ANSWER

The Class X students of a secondary school in Krishinagar have been allotted a rectangular plot of land for their gardening activity. Sapling of Gulmohar is planted on the boundary of the plot at a distance of 1m from each other. There is a triangular grassy lawn inside the plot as shown in Fig. The students have to sow seeds of flowering plants on the remaining area of the plot. Considering A as the origin, what are the coordinates of A?(0, 1)(1, 0)(0, 0)(-1, -1)What are the coordinates of P?(4, 6)( 6, 4)(4, 5)(5, 4) What are the coordinates of R?(6, 5)(5, 6)( 6, 0)(7, 4)What are the coordinates of D?(16, 0)(0, 0)(0, 16)(16, 1)What are the coordinates of P if D is taken as the origin?(12, 2)(-12, 6)(12, 3)(6, 10)

Posted by Banti Boss 4 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Rahul tied the sticks at what angles to each other?

Posted by Banti Boss 4 years ago

CBSE > Class 10 > Mathematics

1 answers

Aditya Gupta 4 years ago

Write complete question

ANSWER

Show how 5 can be represented on tha number line

Posted by Safia Khaton 4 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The distance between the points (sin∅, cos∅) and ( cos∅,-sin∅) is

Posted by Aafreen S 4 years ago

CBSE > Class 10 > Mathematics

4 answers

Shruti Namdev 4 years ago

√2 ....hope it helps

Shriparna Soni 4 years ago

√2 Note-:(-sin theta-cos theta )²,is taken as (a+b)² ,since -a*-b = ab Hope you understand ?

Ayush Patel 4 years ago

Uduj

Anushka Tyagi 4 years ago

Root 2

ANSWER

On increasing the diameter of a circle by 40% the area increased by

Posted by Sujeet Kumar 4 years ago

CBSE > Class 10 > Mathematics

5 answers

Samiksha Mishra 4 years ago

96%

Parth Chaturvedi 4 years ago

Use this formula : (20+given increase in diameter ÷10)×given increase in diameter ÷10 made by myself an accurate formula

Parth Chaturvedi 4 years ago

96 %

Anushka Tyagi 4 years ago

96 %

Gautam Kumar 4 years ago

Hh

ANSWER

Missing entires in The following factor tree = 2 = 3 7

Posted by Ashwini Gavit 4 years ago

CBSE > Class 10 > Mathematics

1 answers

Banti Boss 4 years ago

975698

ANSWER

A+B=10. A-B=5. Elemenation method

Posted by Albert Vikas 4 years ago

CBSE > Class 10 > Mathematics

5 answers

Sonal Maurya 3 years, 11 months ago

(A+B=10)+(A-B=5) 2A=15 A=15/2 So, A+B=10 15/2+B =10 B=10-15/2 B=20-15/2 B=5/2

Parth Chaturvedi 4 years ago

A is equal to 7.5, b is equal to 2.5

Vishal Thakur 4 years ago

A=15/2 ,B=5/2

Ravi Singh 4 years ago

A=15/2 , B= 5/2

Mohd Arif 4 years ago

A=15/2, B=5/2

ANSWER

The Ratio Of LCM and HCF of the least composite and the least prime numbers is

Posted by Tulasi Mynam 4 years ago

CBSE > Class 10 > Mathematics

5 answers

Saubhagya Sharma 4 years ago

2:1

Shriparna Soni 4 years ago

Sorry 2:1

Shriparna Soni 4 years ago

4:1

Komalpreet Kaur 4 years ago

2:1

9238 Yash Geed 4 years ago

1:2

ANSWER

If alpha,beta,gama, be the zeros of the polynomial p(x) such that (a+b+Y)=3, (ab+by+ya)=-10 and aby=-24 then p(x) =

Posted by Shrey Singh 4 years ago

CBSE > Class 10 > Mathematics

2 answers

Sonal Maurya 3 years, 11 months ago

Given, (a+b+y)=3 (a+b+y)=-b/a (ab+by+ya)=-10 (ab+by+ya)=c/a aby=-24 aby=-d/a So, x^3+3x^2-10x+24

Shriparna Soni 4 years ago

x³-3x²-10x+24=0

ANSWER

The area of shaded region in the given Figure is (take pie = 3.14)

Posted by Deepshikha Sharma 4 years ago

CBSE > Class 10 > Mathematics

5 answers

Trupti Toke 4 years ago

Post figure

Ravi Singh 4 years ago

22/7

Devnandan Kumar 4 years ago

Where is figure?

Ff Ht 4 years ago

Give us figure

Surendra Hudda 4 years ago

22/7

ANSWER

Case study: company manufactures two types of sanitizers alpha and beta the cost of the small bottle of Alpha is rupees 10 and for beta sanitizer is rupees 12 in the month of June the company sold total 1000 bottles And makes a total sale of rupees 10000 8:20 seeing the great demand and the short supply Company decided to increase the price of both the sanitizer buy rupees in the next month July the company sold 2500 bottles And total sales of 29200 answer the following question how many cm is of each type of sold in June question mark if these stores old 500 waters of its type in June what would be there

Posted by Kashish Jain 4 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If alpha and beta are the zeroes of polynomial then find the value of alpha square by beta+beta square by alpha

Posted by Shubham Shubham 4 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

why parabola graph upwards a=0

Posted by Gunjan Tomer 4 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

decimal expansion of sum of rational number 15 upon 4 and 5 140 will terminating after

Posted by Tanvi Verma 4 years ago

CBSE > Class 10 > Mathematics

2 answers

Priyanshi Attrish 4 years ago

After 4 digits

Yashas N 4 years ago

4

ANSWER

find the point on x axis which is equidistant from -3,4 & 7,6 How 14x & 6x came

Posted by Prasad Potbhare [email protected] 4 years ago

CBSE > Class 10 > Mathematics

1 answers

Ramu Yadav 4 years ago

irrational number

ANSWER

3+(-3)

Posted by Anshul Sharma 4 years ago

CBSE > Class 10 > Mathematics

5 answers

Vivek Chaudhary 4 years ago

0 As, 3+(-3)=3-3=0

Geetha Sri 4 years ago

0

Malladi Sriram 4 years ago

0

Somil Jain 4 years ago

0

Hales Harriea 4 years ago

0

ANSWER

How root 35 = 5.91....???

Posted by Gunjan Roopchandani 4 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Is 6 + root9 an irrational number

Posted by Disha Anand 4 years ago

CBSE > Class 10 > Mathematics

5 answers

Vivek Chaudhary 4 years ago

False , it is Rational 6+√9 = 6+3=9 which has a terminating non- recurring decimal expansion so it is rational number . √9 = √3×√3 =3

Anil Singh 4 years ago

Irrational

Harsimran Kaur Sran 4 years ago

No

Kush Vyas 4 years ago

No, it is rational 6+ root9 = 6+ root 3×3 = 6 + 3 = 9 Hence, 9 is a rational number

Ridhi Arora 4 years ago

No, 6+√9= 6+√3*3= 6+3= 9

ANSWER

The wheel of motorcycle of radius is equal to 35 cm and find revolutions and distance is 11m how to find please explain

Posted by Arpit Chaurasia 4 years ago

CBSE > Class 10 > Mathematics

2 answers

Jaya Kanwar 4 years ago

R= 35cm Circumference of circle =2πR =2*22/7*35 =220 Total distance= 11m = 11*100cm = 1100cm Total number of revolution = 1100cm/220cm = 5 Total number of revolution taken by the wheel is 5

Kalpana Anandan 4 years ago

Given : The radius of the motorcycle wheel = 35 cm To find: number of revolution to travel a distance of 11 m As we know the circumference of circle is given by where r is the radius of circle and C is circumference of circle Now as given r = 35cm So Distance covered in one revolution = 220 cm Total distance = 11 m = 11 x 100 cm = 1100 cm Hence the wheel of motor cycle require 5 revolution to cover the distance of 11 m Find the number of revolution taken by the wheel of a truck to cover a distance of 78.5 km if the diameter of wheel is 1m. π=(3.14)

ANSWER

The coordinates of the fourth vertex of the rectangle formed by (5, 3), (2, 3), (2, 7) are

Posted by Elsa John 4 years ago

CBSE > Class 10 > Mathematics

1 answers

Snehasish Mohanty 4 years ago

In a rectangle, opposite sides are equal. So find distance AC AND BD AND EQUATE THEM

ANSWER

How 3×root 3 =3× 1.7320508....

Posted by Mandeep Chahal 4 years ago

CBSE > Class 10 > Mathematics

2 answers

Vivek Chaudhary 4 years ago

As √3= 1.7320508... So, 3√3 means 3×√3= 3 × 1.7320508.... Hence Proved !!!

Hales Harriea 4 years ago

Because of √3 = 1.732....

ANSWER

cos 45°/ sec 30°+cosec 30°. Evaluate?

Posted by Parimal Gadge 4 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The exponent of 2 in the prime factorisation of 144 is :

Posted by Abhishek Kumar Singh 4 years ago

CBSE > Class 10 > Mathematics

4 answers

Abhishek Kumar Singh 3 years, 11 months ago

4

Benazir . M.I. 4 years ago

4

Saubhagya Sharma 4 years ago

4

Madhuri Madhuri 4 years ago

4

ANSWER

If sec A=2 then find the value of tan*2A+cot*2A

Posted by Student English 4 years ago

CBSE > Class 10 > Mathematics

2 answers

Pritam Kumar 4 years ago

2

Shree Singh 4 years ago

10/3

ANSWER

The decimal expansion of 131/120 will terminate after how many decimal places?

Posted by Anmol Preet 4 years ago

CBSE > Class 10 > Mathematics

4 answers

Saubhagya Sharma 4 years ago

1.091666666666666

Abhishek Kumar Singh 4 years ago

3

Sania? Parveen? 4 years ago

1.0910(approx)

Sania? Parveen? 4 years ago

Non-terminating

ANSWER

The decimal expansion of 7/2^0×5^3 will terminate after how many decimal expansion?

Posted by Anmol Preet 4 years ago

CBSE > Class 10 > Mathematics

1 answers

Anuvarshini Udayakumar 4 years ago

3 decimal expansion

ANSWER

On dividing a positive integer n by 9 we get 7 as remainder. What will be the remainder if 3n-1 is divisible by 9?

Posted by Pushpanjali Kumari 4 years ago

CBSE > Class 10 > Mathematics

1 answers

Sagar Dhama 4 years ago

Ex 3.4 question 2ka 3rd part

ANSWER

All chapters formula

Posted by 5450 Karthik Kamati 4 years ago

CBSE > Class 10 > Mathematics

1 answers

Shree Singh 4 years ago

Book kholo NCERT

ANSWER

A TV tower stands vertically on a bank of a canal. From a point on the other bank directly opposite the tower, the angle of elevation of the top of the tower is 60. From another point on the line joing this point to the foot of the tower, the angle of elevation of the top of the tower is 30. Find the height of the tower and the width of canal

Posted by Taniya Dandriyal 4 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

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